Added SendFile to Response

http.go

@@ -7,6 +7,7 @@ import (
 	"fmt"
 	"io"
 	"mime/multipart"
+	"os"
 	"sync"
 )
 
@@ -98,6 +99,30 @@ func (req *Request) SetConnectionClose() {
 	req.Header.SetConnectionClose()
 }
 
+// SendFile registers file on the given path to be used as response body
+// when Write is called.
+//
+// Note that SendFile doesn't set Content-Type, so set it yourself
+// with Header.SetContentType.
+func (resp *Response) SendFile(path string) error {
+	f, err := os.Open(path)
+	if err != nil {
+		return err
+	}
+	statInfo, err := f.Stat()
+	if err != nil {
+		f.Close()
+		return err
+	}
+	size64 := statInfo.Size()
+	size := int(size64)
+	if int64(size) != size64 {
+		size = -1
+	}
+	resp.SetBodyStream(f, size)
+	return nil
+}
+
 // SetBodyStream sets response body stream and, optionally body size.
 //
 // If bodySize is >= 0, then the bodyStream must provide exactly bodySize bytes

server.go

@@ -659,22 +659,7 @@ func (ctx *RequestCtx) ResetBody() {
 // so set it yourself with SetContentType() before returning
 // from RequestHandler.
 func (ctx *RequestCtx) SendFile(path string) error {
-	f, err := os.Open(path)
-	if err != nil {
-		return err
-	}
-	statInfo, err := f.Stat()
-	if err != nil {
-		f.Close()
-		return err
-	}
-	size64 := statInfo.Size()
-	size := int(size64)
-	if int64(size) != size64 {
-		size = -1
-	}
-	ctx.SetBodyStream(f, size)
-	return nil
+	return ctx.Response.SendFile(path)
 }
 
 // Write writes p into response body.